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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 3 — Mar. 1, 2001
  • pp: 657–665

Resonant near-field eigenmodes of nanocylinders on flat surfaces under both homogeneous and inhomogeneous lightwave excitation

José Ricardo Arias-González and Manuel Nieto-Vesperinas  »View Author Affiliations


JOSA A, Vol. 18, Issue 3, pp. 657-665 (2001)
http://dx.doi.org/10.1364/JOSAA.18.000657


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Abstract

A theoretical and numerical study of the optical near field in both metallic and dielectric nanocylinders close to a dielectric surface is presented. To establish a procedure of control and analysis, we address the resonant excitation of the particle eigenmodes, either through propagating (homogeneous) or evanescent (inhomogeneous) plane-wave incidence, and compare with off-resonance cases, including the effects of multiple scattering between the particle and the flat interface. The analysis is carried out by comparing the near-field distributions with the far-field scattering efficiencies and the behavior of the corresponding Mie coefficients.

© 2001 Optical Society of America

OCIS Codes
(170.5810) Medical optics and biotechnology : Scanning microscopy
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance
(290.4210) Scattering : Multiple scattering

History
Original Manuscript: April 12, 2000
Revised Manuscript: September 18, 2000
Manuscript Accepted: September 18, 2000
Published: March 1, 2001

Citation
José Ricardo Arias-González and Manuel Nieto-Vesperinas, "Resonant near-field eigenmodes of nanocylinders on flat surfaces under both homogeneous and inhomogeneous lightwave excitation," J. Opt. Soc. Am. A 18, 657-665 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-3-657

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